.table-cell-width{
    width:85%;
}
.table-cell-height{
    height:90%;
}

.shelve{
    background-color: rgba(255,255,255,0.5);

}

.div-in-center{
    margin-left: 1%;
    margin-right: 1%;
    margin-top: 1%;
    margin-bottom: 1%;
}